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SHARON MAST LICSW
NPI 1700520095
Social Worker - Clinical in Seattle, WA

Active since April 23, 2022PECOS Enrolled
1111 EXPEDIA GROUP WAY W, SEATTLE, WA 98119(206) 712-7130 Get Directions Write a Review

NPPES record last updated: April 23, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Sharon Mast Licsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SHARON MAST LICSW (NPI 1700520095) is an individual clinical provider in Seattle, Washington, licensed in Washington (LW60956552) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700520095
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSHARON MASTCredential: LICSW
Location Address1111 EXPEDIA GROUP WAY WSeattle, WA 98119-1111
Mailing Address1035 116th Ave NeBellevue, WA 98004-4604 · (425) 688-5000
Phone(206) 712-7130
Sole ProprietorNo
Enumeration DateApril 23, 2022
NPPES CertifiedApril 18, 2022
✔ NPI 1700520095 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in WA · LW60956552
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
1111 EXPEDIA GROUP WAY W, Seattle, WA 98119
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sharon Mast Licsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98119 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $63.67 – $189.37
Typical copayment $0.00 (range $15.91 – $47.34)
Most-billed visit code NA
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CROSSOVER HEALTH MEDICAL GROUP
Specialist
1111 EXPEDIA GROUP WAY W
SEATTLE, WA 98119
King County (949) 891-0328

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sharon Mast's NPI number?

The NPI number for Sharon Mast is 1700520095. It was assigned to this individual provider in the NPPES registry on April 23, 2022.

Where is Sharon Mast located?

Sharon Mast practices at 1111 Expedia Group Way W, Seattle, WA 98119. The listed phone number is (206) 712-7130.

What is Sharon Mast's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Sharon Mast enrolled in Medicare?

Yes. Sharon Mast is registered in the Medicare PECOS enrollment system.

What insurance does Sharon Mast accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Sharon Mast as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sharon Mast was last updated on April 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.